Jay is reviewing his portfolio. He has a large amount tied up in U$.$S$.$ Treasury bills paying $3\mathrm{.}3\%.$ He is considering moving some of his funds from the$$ T$-$bills into a stock. The stock has a beta of $1\mathrm{.}22.$ If Jay believes the stock will earn $15\mathrm{.}1\%$ next year$($a little better than the expected market return of $12\mathrm{.}5\%),$ should he buy the stock or leave his funds in the$$ T$-$bill?

The$$ stock's required rate of return is enter your response here$\%.$